/*
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 *
 * Copyright @2008 the original author or authors.
 */
package com.bluestone.core;


/**
 * @author <a href="mailto:bluesotne.master@gmail.com">daniel.q</a>
 *
 */
public interface IAction {	
	
	/**
	 * The prefix of the expand attributes of the IAction.
	 */
	public static String ATTR_PREFIX="Exp";
	/**
	 * 
	 * @return true if the IAction execute successful.
	 */
	public boolean execute();
	/**
	 * 
	 * @return true if the IActon is valid.
	 */
	public boolean isValid();
	/**
	 * 
	 * @return the parent of the IAction.
	 */
	public Object getParent();
	/**
	 * 
	 * @return the unique id of the action.
	 */
	public String getId();
	/**
	 * 
	 * @return the type of the action.
	 */
	public String getType();
}
